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Last Updates: 09/05/2021

Dwyer Series VFC & VFCII Visi-Float Acrylic Variable Area Flowmeter

The Dwyer Series VFC Visi-Float® Variable Area Flowmeter is a direct reading, precision machined, clear acrylic body flowmeter suitable for both gas and liquid applications. This Series consists of two 5″ (127 mm) scale flowmeters, the VFC and VFC II. The VFC features PVC 1″ female NPT connections and the VFC II units are equipped with acetal thermoplastic 1″ male NPT fittings.

Product Applications

  • Medical equipment
  • Laboratory equipment
  • Air samplers
  • Gas analyzers
  • Pollution monitors
  • Chemical injectors
  • Cabinet purging
  • Remediation
  • Osmosis skids
  • Bodies are cut and precision machined from solid, clear acrylic blocks allowing for complete visual inspection
  • White background allows for better visibility of the float increasing reading accuracy
  • Direct reading scales are hot stamped into the plastic eliminating the need for troublesome conversions and increasing product operating life
  • Precision machined tapered bore enables high repeatability
  • Low installation costs with back or end connection options

Service : Compatible gases and liquids.
Wetted Materials : Body: Acrylic plastic; O-ring: Buna-N (fluoroelastomer available); Metal parts: SS; Float: SS.
Temperature & Pressure Limits : 100 psig (6.9 bar) @ 120°F (48°C);Accuracy:2% of FS.
Process Connection : VFC: 1″ female NPT back connections. End connections optional. VFCII: 1″ male NPT back connections. End connections optional.
Scale Length : 5″ typical length.
Mounting Orientation : Mount in vertical position.
Weight : 24 to 25 oz (.68 to .71 kg).
Agency Approvals : Meets the technical requirements of EU Directive 2011/65/EU (RoHS II).

Catalogue:
Manuals: Dwyer_VFC-VFCII_Manual

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